What is the cheapest airline that flies from Buffalo to Caribbean Islands?

JetBlue, American Airlines, and United Airlines are the most popular carriers operating from Buffalo to Caribbean Islands

How many flights depart from Buffalo to Caribbean Islands on average per week?

1 flights are operational weekly from Buffalo to Caribbean Islands as of August 2026. The most popular departure day for this route is Mon, with 100% of flights per week taking off on this day.

What airlines fly to Caribbean Islands?

JetBlue, American Airlines and Southwest are the top three most popular airlines that fly to Caribbean Islands from Buffalo according to our data. JetBlue is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 6 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?

Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.

How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?

There are 6 operators available for flights from Buffalo Airport to Caribbean Islands as of August 2026.

How old do you have to be to fly from Buffalo Airport to Caribbean Islands?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$103 Cheap Flights from Buffalo to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Caribbean Islands

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:39 pm - 2:23 pm-

18h 44m

4:53 pm - 10:38 am-

18h 45m

$262American Airlines

Sat, Nov 7 - Thu, Nov 12

6:55 am - 2:44 pm-

7h 49m

1:00 am - 9:48 am-

8h 48m

$295United Airlines

Sun, Sep 13 - Sat, Sep 19

1:40 pm - 2:13 am-

12h 33m

3:55 pm - 5:49 pm-

25h 54m

$295Frontier

Wed, Sep 23 - Mon, Sep 28

5:51 pm - 9:46 am-

15h 55m

6:20 am - 3:52 pm-

9h 32m

$296American Airlines

Wed, Oct 14 - Sun, Oct 18

6:55 am - 2:44 pm-

7h 49m

4:55 pm - 11:44 pm-

6h 49m

$296United Airlines

Sat, Aug 29 - Thu, Sep 3

6:50 am - 11:59 pm-

17h 09m

7:24 pm - 11:29 am-

16h 05m

$296Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

5:30 pm - 1:05 am-

6h 35m

6:40 am - 12:05 pm-

6h 25m

$306Southwest

Fri, Nov 6 - Tue, Nov 10

11:36 am - 12:34 am-

36h 58m

6:42 pm - 5:49 pm-

23h 07m

$313Frontier

Sat, Aug 22 - Mon, Sep 14

4:35 pm - 11:55 pm-

7h 20m

6:00 am - 1:45 pm-

7h 45m

$316Southwest

Mon, Sep 28 - Fri, Oct 2

9:29 pm - 11:06 am-

13h 37m

6:20 pm - 10:58 pm-

4h 38mnonstop

$320Multiple Airlines

Tue, Sep 1 - Sat, Sep 5

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JetBlue flights from Buffalo to Caribbean Islands

Our best JetBlue deals on Buffalo to Caribbean Islands flight tickets

JetBlue

Aug 29

BUF7:00 amBuffalo

4h 40m

SJU11:40 amSan Juan Luis Munoz Marin Intl

Sep 2

SJU6:19 pmSan Juan Luis Munoz Marin Intl

4h 38m

BUF10:57 pmBuffalo

$320

JetBlue

Oct 3

BUF7:00 amBuffalo

6h 56m

1 stop

BQN1:56 pmAguadilla Borinquen

Oct 10

BQN11:15 amAguadilla Borinquen

9h 02m

1 stop

BUF8:17 pmBuffalo

$324

JetBlue

Aug 28

BUF7:00 amBuffalo

4h 38m

SJU11:38 amSan Juan Luis Munoz Marin Intl

Aug 30

SJU2:20 amSan Juan Luis Munoz Marin Intl

6h 47m

1 stop

BUF9:07 amBuffalo

$325

United Airlines flights from Buffalo to Caribbean Islands

Our best United Airlines deals on Buffalo to Caribbean Islands flight tickets

United Airlines

Sep 13

BUF6:55 amBuffalo

7h 49m

1 stop

SJU2:44 pmSan Juan Luis Munoz Marin Intl

Sep 19

SJU1:00 amSan Juan Luis Munoz Marin Intl

8h 48m

2 stops

BUF9:48 amBuffalo

$295

United Airlines

Aug 29

BUF6:55 amBuffalo

13h 43m

2 stops

SJU8:38 pmSan Juan Luis Munoz Marin Intl

Sep 3

SJU4:55 pmSan Juan Luis Munoz Marin Intl

6h 49m

1 stop

BUF11:44 pmBuffalo

$296

United Airlines

Oct 24

BUF10:46 amBuffalo

13h 04m

2 stops

SJU11:50 pmSan Juan Luis Munoz Marin Intl

Oct 27

SJU1:05 amSan Juan Luis Munoz Marin Intl

12h 12m

2 stops

BUF1:17 pmBuffalo

$308

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Sat 11/7

6:39 pm-2:23 pm

2 stops18h 44m

Saint Thomas Island Cyril E King

Thu 11/12

4:53 pm-10:38 am

2 stops18h 45m

$262

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 9/13

6:55 am-2:44 pm

1 stop7h 49m

San Juan Luis Munoz Marin Intl

Sat 9/19

1:00 am-9:48 am

2 stops8h 48m

$295

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 9/23

1:40 pm-2:13 am

2 stops12h 33m

San Juan Luis Munoz Marin Intl

Mon 9/28

3:55 pm-5:49 pm

1 stop25h 54m

$295

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 10/14

5:51 pm-9:46 am

2 stops15h 55m

San Juan Luis Munoz Marin Intl

Sun 10/18

6:20 am-3:52 pm

2 stops9h 32m

$296

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 8/29

6:55 am-2:44 pm

1 stop7h 49m

San Juan Luis Munoz Marin Intl

Thu 9/3

4:55 pm-11:44 pm

1 stop6h 49m

$296

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 8/24

6:50 am-11:59 pm

1 stop17h 09m

San Juan Luis Munoz Marin Intl

Mon 8/31

7:24 pm-11:29 am

2 stops16h 05m

$296

Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 11/6

5:30 pm-1:05 am

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Tue 11/10

6:40 am-12:05 pm

1 stop6h 25m

$306

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 8/22

11:36 am-12:34 am

2 stops36h 58m

San Juan Luis Munoz Marin Intl

Mon 9/14

6:42 pm-5:49 pm

1 stop23h 07m

$313

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 9/28

4:35 pm-11:55 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Fri 10/2

6:00 am-1:45 pm

1 stop7h 45m

$316

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 9/1

9:29 pm-11:06 am

1 stop13h 37m

San Juan Luis Munoz Marin Intl

Sat 9/5

6:20 pm-10:58 pm

Nonstop4h 38m

$320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Caribbean Islands

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Caribbean Islands?

The month of September is, on average, the cheapest month to fly to Caribbean Islands from Buffalo, with most prices found around $486. The month of May is another great option to travel to Caribbean Islands, with average flight prices from Buffalo averaging around $502.

What is the cheapest day to depart on your flight to Caribbean Islands?

The cheapest day to depart from Buffalo to Caribbean Islands is on a Friday. Travelers who choose to depart for Caribbean Islands on a Friday will often find tickets for as low as $387. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $487. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

What is the cheapest Buffalo to Caribbean Islands flight route?

Fly from Buffalo to San Juan Luis Munoz Marin Intl for the best Buffalo - Caribbean Islands flight prices

How far in advance should I book a flight from Buffalo to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $384 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Buffalo for as low as $341 on momondo.

What cabin class options are available on Buffalo to Caribbean Islands flights?

There are 2 cabin classes available to choose from on Buffalo to Caribbean Islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Buffalo to Caribbean Islands.

Cheap Buffalo to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Caribbean Islands

Fastest flight time	3h 15m
Direct flights	Tue, Thu, Sat and Sun
Airports in Caribbean Islands	99 airports

The fastest flight from Buffalo to Caribbean Islands takes 3h 15m

Direct flights go from Buffalo to Caribbean Islands on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There are 99 airports in Caribbean Islands. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

Frequently asked questions about flying from Buffalo to Caribbean Islands

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?
Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?
There are 6 operators available for flights from Buffalo Airport to Caribbean Islands as of August 2026.
How old do you have to be to fly from Buffalo Airport to Caribbean Islands?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from Buffalo to Caribbean Islands is Airbus A320-100/200, representing 23.81% of all bookings. The subsequent popular models are Airbus A220-300 at 13.39%, Boeing 737 MAX 8 at 7.96%, and Embraer 175 at 7.54%.

Best airlines flying from Buffalo to Caribbean Islands

Compare and see reviews for airlines that fly from Buffalo to Caribbean Islands with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $106	Free Cancellation	Rating 7.8 8,481 reviews	Search Delta flights
Frontier	PriceFrom $125	Free Cancellation	Rating 5.6 2,738 reviews	Search Frontier flights
JetBlue	PriceFrom $138	Free Cancellation	Rating 7.2 3,025 reviews	Search JetBlue flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 10,059 reviews	Search United Airlines flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,222 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,848 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Caribbean Islands?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Caribbean Islands. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to Caribbean Islands with flexible booking policies on momondo?

momondo does allow users to show only those flights to Caribbean Islands from Buffalo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buffalo to Caribbean Islands?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Caribbean Islands from Buffalo.

I’m not ready to book a flight from Buffalo to Caribbean Islands right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Caribbean Islands from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.